Mrs. Hudson: There's another bedroom upstairs, if you'll be needing two bedrooms.
John: Of course, we'll be needing two.
Mrs. Hudson: Don't worry, we've got all sorts here. Mrs. Turner next door got married ones.

John: You flirted with Sherlock Holmes?
Irene Adler: At him. He never replied.
John: Sherlock replies to everything! He would overlive God just to have the last word!
Irene Adler: Do you think that makes me special?
John: I don't know, maybe.
Irene Adler: ...Are you jealous?
John: We're not a couple.
Irene Adler: Yes, you are.